<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./lib/react.js"></script>
    <script src="./lib/react-dom.js"></script>
    <script src="./lib/browser.js"></script>
</head>
<body>
    <div id="root"></div>

    <script type="text/babel">

        function tick(){
            const element = (
                <div>
                    <h1>hello</h1>
                    <h2>{ new Date().getTime()}</h2>
                </div>    
            )

            ReactDOM.render(element,document.getElementById("root"))
        }

        setInterval(tick,1000)
        
    </script>
</body>
</html>